Spatial Analysis of Maternal Mortality Ratio (MMR) with Midwife Ratio, K1, and K4 Coverage in Bogor Regency, Tangerang City, and South Tangerang City in 2020Putri Rizky Maritza and Agushybana FaridBIO Web Conf., 133 (2024) 00008DOI: https://doi.org/10.1051/bioconf/202413300008